Who ever thought that something you learned in class would actually be useful to you on a Saturday night when you wanted to just relax and kick back with some friends and your favorite bottle of scotch whiskey?  Well, the authors of this article, “Clustering of Scotch Whiskeys using Non-Negative Matrix Factorizations” from the SPES/Q&P […]

About a million years ago, around the time of the ice age, CO2 concentrations were approximately 160 ppm.  This increased as the human population began to grow and was up to about 280 ppm just before the Industrial Revolution.  The current concentration is about 380 ppm, representing 869 gigatons of carbon dioxide in our air.  This represents an […]